Metallocene compound
    31.
    发明授权
    Metallocene compound 失效
    茂金属化合物

    公开(公告)号:US5767300A

    公开(公告)日:1998-06-16

    申请号:US681636

    申请日:1996-07-29

    摘要: The present invention relates to a metallocene compound of the formula I which is suitable for olefin polymerization ##STR1## where M is a metal of group IVb, Vb or VIb of the Periodic Table. X are each a hydrogen atom, a halogen atom or a C.sub.1 -C.sub.40 -radical OR.sup.4 or NR.sup.4.sub.2, where R.sup.4 are a C.sub.1 -C.sub.20 hydrocarbon radical m and p are 1, 2 or 3, n is 1 or 2, L each a .pi. ligand which coordinates to the central atom M, M.sup.2 are each a silicon atom, a germanium atom or a tin atom, R.sup.1 are a C.sub.1 -C.sub.20 -radical, R.sup.2 are a C.sub.1 -C.sub.20 -radical or a .pi. ligand which coordinates to the central atom M, A are each a bidentate C.sub.1 -C.sub.40 -hydrocarbon group, Z are each a boron atom, a silicon atom, a germanium atom or a tin atom, R.sup.3 are each a hydrogen atom or a C.sub.1 -C.sub.20 -radical, o is zero, 1 or 2, Hal are each a halogen atom, and where n is 1 if R.sup.2 is a .pi. ligand which coordinates to the central atom M and n is 2 if R.sup.2 is a C.sub.1 -C.sub.20 -radical.

    摘要翻译: 本发明涉及适用于烯烃聚合的式I的茂金属化合物,其中M是元素周期表IVb,Vb或VIb族金属。 X分别为氢原子,卤原子或C 1 -C 40基OR 4或NR 42,其中R 4为C 1 -C 20烃基,p为1,2或3,n为1或2,L各为1 配位于中心原子M,M2的配体各自为硅原子,锗原子或锡原子,R 1为C 1 -C 20基团,R 2为与中心配位的C 1 -C 20基团或π配位体 原子M,A各自为二齿C1-C40烃基,Z分别为硼原子,硅原子,锗原子或锡原子,R3各自为氢原子或C1-C20基,o为 0,1或2,Hal各自为卤素原子,如果R2为与中心原子M配位的π配体,n为1,如果R2为C1-C20基,n为2。